diff --git a/Tests/HttpUnitTests/HttpUnitTests.nfproj b/Tests/HttpUnitTests/HttpUnitTests.nfproj
index efba09e..1f9029a 100644
--- a/Tests/HttpUnitTests/HttpUnitTests.nfproj
+++ b/Tests/HttpUnitTests/HttpUnitTests.nfproj
@@ -44,20 +44,20 @@
     <ProjectReference Include="..\..\nanoFramework.System.Net.Http\System.Net.Http.nfproj" />
   </ItemGroup>
   <ItemGroup>
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-      <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.17.11\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.CoreLibrary.2.0.0-preview.43\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.System.Text, Version=1.3.42.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.Text.1.3.42\lib\nanoFramework.System.Text.dll</HintPath>
+    <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.15\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.TestFramework, Version=3.0.77.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.77\lib\nanoFramework.TestFramework.dll</HintPath>
+    <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.52\lib\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.3.0.77\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.52\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
-    <Reference Include="System.IO.Streams, Version=1.1.96.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.System.IO.Streams.1.1.96\lib\System.IO.Streams.dll</HintPath>
+    <Reference Include="System.IO.Streams, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.15\lib\netnano1.0\System.IO.Streams.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Tests/HttpUnitTests/packages.config b/Tests/HttpUnitTests/packages.config
index edfe4fd..aaac0fa 100644
--- a/Tests/HttpUnitTests/packages.config
+++ b/Tests/HttpUnitTests/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.17.11" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.IO.Streams" version="1.1.96" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Text" version="1.3.42" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="3.0.77" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.15" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Text" version="2.0.0-preview.15" targetFramework="netnano1.0" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.52" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/HttpUnitTests/packages.lock.json b/Tests/HttpUnitTests/packages.lock.json
index 3a4b31a..02029c5 100644
--- a/Tests/HttpUnitTests/packages.lock.json
+++ b/Tests/HttpUnitTests/packages.lock.json
@@ -4,27 +4,27 @@
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-        "resolved": "1.17.11",
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+        "requested": "[2.0.0-preview.43, 2.0.0-preview.43]",
+        "resolved": "2.0.0-preview.43",
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+        "requested": "[2.0.0-preview.15, 2.0.0-preview.15]",
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+        "requested": "[2.0.0-preview.15, 2.0.0-preview.15]",
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+        "requested": "[4.0.0-preview.52, 4.0.0-preview.52]",
+        "resolved": "4.0.0-preview.52",
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diff --git a/nanoFramework.System.Net.Http.Client.nuspec b/nanoFramework.System.Net.Http.Client.nuspec
index e28dc89..6706cb0 100644
--- a/nanoFramework.System.Net.Http.Client.nuspec
+++ b/nanoFramework.System.Net.Http.Client.nuspec
@@ -20,12 +20,12 @@ There is also a package with the server API only and another with the full API.<
     <tags>nanoFramework C# csharp netmf netnf http https</tags>
     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
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-        <dependency id="nanoFramework.Runtime.Events" version="1.11.32" />
-        <dependency id="nanoFramework.System.Collections" version="1.5.67" />
-        <dependency id="nanoFramework.System.Text" version="1.3.42" />
-        <dependency id="nanoFramework.System.Net" version="1.11.47" />
-        <dependency id="nanoFramework.System.Threading" version="1.1.52" />
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" />
+        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.11" />
+        <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.14" />
+        <dependency id="nanoFramework.System.Text" version="2.0.0-preview.15" />
+        <dependency id="nanoFramework.System.Net" version="2.0.0-preview.9" />
+        <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.9" />
       </group>
     </dependencies>
   </metadata>
@@ -36,4 +36,4 @@ There is also a package with the server API only and another with the full API.<
     <file src="assets\nf-logo.png" target="images" />
     <file src="LICENSE.md" target="" />
   </files>
-</package>
+</package>
\ No newline at end of file
diff --git a/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj b/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
index 3a95e36..d0b63ff 100644
--- a/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
+++ b/nanoFramework.System.Net.Http.Client/System.Net.Http.Client.nfproj
@@ -209,26 +209,26 @@
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-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.17.11\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.43\lib\netnano1.0\mscorlib.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.Runtime.Events, Version=1.11.32.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.11.32\lib\nanoFramework.Runtime.Events.dll</HintPath>
+    <Reference Include="nanoFramework.Runtime.Events, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.11\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Collections.1.5.67\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.14\lib\netnano1.0\nanoFramework.System.Collections.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Text.1.3.42\lib\nanoFramework.System.Text.dll</HintPath>
+    <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.15\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
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-    <Reference Include="System.IO.Streams, Version=1.1.96.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.IO.Streams.1.1.96\lib\System.IO.Streams.dll</HintPath>
+    <Reference Include="System.IO.Streams, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.15\lib\netnano1.0\System.IO.Streams.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Net.1.11.47\lib\System.Net.dll</HintPath>
+    <Reference Include="System.Net, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.9\lib\netnano1.0\System.Net.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Threading.1.1.52\lib\System.Threading.dll</HintPath>
+    <Reference Include="System.Threading, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Threading.2.0.0-preview.9\lib\netnano1.0\System.Threading.dll</HintPath>
     </Reference>
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   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />
diff --git a/nanoFramework.System.Net.Http.Client/packages.config b/nanoFramework.System.Net.Http.Client/packages.config
index 196d06f..b7ea5d1 100644
--- a/nanoFramework.System.Net.Http.Client/packages.config
+++ b/nanoFramework.System.Net.Http.Client/packages.config
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
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-  <package id="nanoFramework.System.Text" version="1.3.42" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Threading" version="1.1.52" targetFramework="netnano1.0" />
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+  <package id="nanoFramework.System.Collections" version="2.0.0-preview.14" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.15" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.9" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Text" version="2.0.0-preview.15" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Threading" version="2.0.0-preview.9" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Net.Http.Client/packages.lock.json b/nanoFramework.System.Net.Http.Client/packages.lock.json
index 36c84f6..c7faf23 100644
--- a/nanoFramework.System.Net.Http.Client/packages.lock.json
+++ b/nanoFramework.System.Net.Http.Client/packages.lock.json
@@ -4,45 +4,45 @@
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diff --git a/nanoFramework.System.Net.Http.Server.nuspec b/nanoFramework.System.Net.Http.Server.nuspec
index 80cbfae..085c672 100644
--- a/nanoFramework.System.Net.Http.Server.nuspec
+++ b/nanoFramework.System.Net.Http.Server.nuspec
@@ -20,12 +20,12 @@ There is also a package with the client API only and another with the full API.<
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     <dependencies>
       <group targetFramework=".NETnanoFramework1.0">
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-        <dependency id="nanoFramework.System.Net" version="1.11.47" />
-        <dependency id="nanoFramework.System.Threading" version="1.1.52" />
+        <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" />
+        <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.11" />
+        <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.14" />
+        <dependency id="nanoFramework.System.Text" version="2.0.0-preview.15" />
+        <dependency id="nanoFramework.System.Net" version="2.0.0-preview.9" />
+        <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.9" />
       </group>
     </dependencies>
   </metadata>
@@ -36,4 +36,4 @@ There is also a package with the client API only and another with the full API.<
     <file src="assets\nf-logo.png" target="images" />
     <file src="LICENSE.md" target="" />
   </files>
-</package>
+</package>
\ No newline at end of file
diff --git a/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj b/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
index 47ef3b8..befb173 100644
--- a/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
+++ b/nanoFramework.System.Net.Http.Server/System.Net.Http.Server.nfproj
@@ -135,26 +135,26 @@
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+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.43\lib\netnano1.0\mscorlib.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.11.32\lib\nanoFramework.Runtime.Events.dll</HintPath>
+    <Reference Include="nanoFramework.Runtime.Events, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.11\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Collections.1.5.67\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.2.0.0-preview.14\lib\netnano1.0\nanoFramework.System.Collections.dll</HintPath>
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-    <Reference Include="nanoFramework.System.Text, Version=1.3.42.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Text.1.3.42\lib\nanoFramework.System.Text.dll</HintPath>
+    <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Text.2.0.0-preview.15\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.IO.Streams.1.1.96\lib\System.IO.Streams.dll</HintPath>
+    <Reference Include="System.IO.Streams, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.15\lib\netnano1.0\System.IO.Streams.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Net.1.11.47\lib\System.Net.dll</HintPath>
+    <Reference Include="System.Net, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.9\lib\netnano1.0\System.Net.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Threading.1.1.52\lib\System.Threading.dll</HintPath>
+    <Reference Include="System.Threading, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Threading.2.0.0-preview.9\lib\netnano1.0\System.Threading.dll</HintPath>
     </Reference>
   </ItemGroup>
   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />
diff --git a/nanoFramework.System.Net.Http.Server/packages.config b/nanoFramework.System.Net.Http.Server/packages.config
index 196d06f..b7ea5d1 100644
--- a/nanoFramework.System.Net.Http.Server/packages.config
+++ b/nanoFramework.System.Net.Http.Server/packages.config
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
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-  <package id="nanoFramework.Runtime.Events" version="1.11.32" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Collections" version="1.5.67" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.IO.Streams" version="1.1.96" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Net" version="1.11.47" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Text" version="1.3.42" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Threading" version="1.1.52" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.11" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Collections" version="2.0.0-preview.14" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.15" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.9" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Text" version="2.0.0-preview.15" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Threading" version="2.0.0-preview.9" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Net.Http.Server/packages.lock.json b/nanoFramework.System.Net.Http.Server/packages.lock.json
index 36c84f6..c7faf23 100644
--- a/nanoFramework.System.Net.Http.Server/packages.lock.json
+++ b/nanoFramework.System.Net.Http.Server/packages.lock.json
@@ -4,45 +4,45 @@
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diff --git a/nanoFramework.System.Net.Http.nuspec b/nanoFramework.System.Net.Http.nuspec
index aedcb91..8502c88 100644
--- a/nanoFramework.System.Net.Http.nuspec
+++ b/nanoFramework.System.Net.Http.nuspec
@@ -20,12 +20,12 @@ There are also two other packages with just the client API and just the server A
 These are meant to be used when there is the need to use smaller assemblies.</description>
     <tags>nanoFramework C# csharp netmf netnf http https</tags>
     <dependencies>
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-      <dependency id="nanoFramework.Runtime.Events" version="1.11.32" />
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-      <dependency id="nanoFramework.System.Text" version="1.3.42" />
-      <dependency id="nanoFramework.System.Net" version="1.11.47" />
-      <dependency id="nanoFramework.System.Threading" version="1.1.52" />
+      <dependency id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" />
+      <dependency id="nanoFramework.Runtime.Events" version="2.0.0-preview.11" />
+      <dependency id="nanoFramework.System.Collections" version="2.0.0-preview.14" />
+      <dependency id="nanoFramework.System.Text" version="2.0.0-preview.15" />
+      <dependency id="nanoFramework.System.Net" version="2.0.0-preview.9" />
+      <dependency id="nanoFramework.System.Threading" version="2.0.0-preview.9" />
     </dependencies>
   </metadata>
   <files>
diff --git a/nanoFramework.System.Net.Http/System.Net.Http.nfproj b/nanoFramework.System.Net.Http/System.Net.Http.nfproj
index c7107be..75d6d15 100644
--- a/nanoFramework.System.Net.Http/System.Net.Http.nfproj
+++ b/nanoFramework.System.Net.Http/System.Net.Http.nfproj
@@ -109,26 +109,26 @@
     <Content Include="packages.lock.json" />
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-      <HintPath>..\packages\nanoFramework.CoreLibrary.1.17.11\lib\mscorlib.dll</HintPath>
+    <Reference Include="mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.CoreLibrary.2.0.0-preview.43\lib\netnano1.0\mscorlib.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.Runtime.Events.1.11.32\lib\nanoFramework.Runtime.Events.dll</HintPath>
+    <Reference Include="nanoFramework.Runtime.Events, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.Runtime.Events.2.0.0-preview.11\lib\netnano1.0\nanoFramework.Runtime.Events.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Collections.1.5.67\lib\nanoFramework.System.Collections.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Text.1.3.42\lib\nanoFramework.System.Text.dll</HintPath>
+    <Reference Include="nanoFramework.System.Text, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
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-      <HintPath>..\packages\nanoFramework.System.IO.Streams.1.1.96\lib\System.IO.Streams.dll</HintPath>
+    <Reference Include="System.IO.Streams, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.15\lib\netnano1.0\System.IO.Streams.dll</HintPath>
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-      <HintPath>..\packages\nanoFramework.System.Net.1.11.47\lib\System.Net.dll</HintPath>
+    <Reference Include="System.Net, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Net.2.0.0-preview.9\lib\netnano1.0\System.Net.dll</HintPath>
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-    <Reference Include="System.Threading, Version=1.1.52.34401, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Threading.1.1.52\lib\System.Threading.dll</HintPath>
+    <Reference Include="System.Threading, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Threading.2.0.0-preview.9\lib\netnano1.0\System.Threading.dll</HintPath>
     </Reference>
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   <Import Project="$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets" Condition="Exists('$(NanoFrameworkProjectSystemPath)NFProjectSystem.CSharp.targets')" />
diff --git a/nanoFramework.System.Net.Http/packages.config b/nanoFramework.System.Net.Http/packages.config
index 196d06f..b7ea5d1 100644
--- a/nanoFramework.System.Net.Http/packages.config
+++ b/nanoFramework.System.Net.Http/packages.config
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
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-  <package id="nanoFramework.System.Threading" version="1.1.52" targetFramework="netnano1.0" />
+  <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" targetFramework="netnano1.0" />
+  <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.11" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Collections" version="2.0.0-preview.14" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.15" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.9" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Text" version="2.0.0-preview.15" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Threading" version="2.0.0-preview.9" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.9.50" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Net.Http/packages.lock.json b/nanoFramework.System.Net.Http/packages.lock.json
index 36c84f6..c7faf23 100644
--- a/nanoFramework.System.Net.Http/packages.lock.json
+++ b/nanoFramework.System.Net.Http/packages.lock.json
@@ -4,45 +4,45 @@
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